Finding the Fourth Proportional to 31,806.72, 43,892.64 and 17,659.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,806.72 : 43,892.64 = 17,659.08 : x
2. Step 2: Convert to fraction form
   31,806.72/43,892.64 = 17,659.08/x
3. Step 3: Cross multiply
   31,806.72x = 43,892.64 × 17,659.08
4. Step 4: Simplify right side
   31,806.72x = 775,103,641.17
5. Step 5: Solve for x
   x = 775,103,641.17/31,806.72
6. Step 6: Final answer
   x = 24,369.18